About the Authors

Theodore Lytras

thlytras@gmail.com

Affiliation National School of Public Health, Athens, Greece

Georgia Spala

Affiliation Hellenic Centre for Disease Control and Prevention, Athens, Greece

Stefanos Bonovas

Affiliation Hellenic Centre for Disease Control and Prevention, Athens, Greece

Takis Panagiotopoulos

Affiliation National School of Public Health, Athens, Greece

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TL GS TP. Analyzed the data: TL. Wrote the paper: TL GS SB TP.